package com.webapp.controller;

import java.io.IOException;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.webapp.model.CircleModel;

/**
 * Servlet implementation class FindFriend
 */
public class FindFriend extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public FindFriend() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		HttpSession session = request.getSession();
		int friendID = Integer.parseInt((String)request.getParameter("friendIDTxt"));
		int intoFence = Integer.parseInt((String)request.getParameter("fenceIDTxt"));
		
		CircleModel cm = new CircleModel();
		
		if(cm.addUser(friendID, intoFence) == true) {
			//get a list of users in a circle
			List<Integer> listOfFriends = cm.getUserIdList(intoFence);
			
			//return the circle and a list of friends
			session.setAttribute("Friends", listOfFriends);
			RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/ViewFriends.jsp?viewFriends=friendadded");
			dispatcher.forward(request, response);	
		} else {
			response.sendRedirect("ViewFriends.jsp?viewFriends=friendnotadded");
		}
		
		
	}

}
